taikula

#include <iostream>
#include <stdio.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    if(n <= 0){
        cout << "Error";
    }else{
        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= n; j++){
                printf("%dx%d=%2d ", i, j, i * j);
            }
            cout << endl;
        }
    }
    return 0;
}